CVE-2026-53784
rsync < 3.5.0 Path Traversal via Symlink Module Root
CVSS Score
7.1
EPSS Score
0.0%
EPSS Percentile
0th
rsync before 3.5.0 contains a path traversal vulnerability that allows remote clients to access files outside the intended module root when use chroot is disabled and the module root path or a component of it is a symlink. The daemon calls chdir() to the module root at session initialization without resolving symlinks via realpath() or equivalent, causing subsequent relative-path operations to reference files relative to the symlink target rather than the intended module root, enabling unauthorized file access.
| CWE | CWE-59 |
| Vendor | rsyncproject |
| Product | rsync |
| Published | Aug 13, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
None
Affected Versions
RsyncProject / rsync
0 ≤ 3.4.4